in canada, we have something called the oakes test that asks whether restrictions on constitutional rights are justified in a free and democratic society.
while the science does not uphold the efficacy of closing mass events, and i would rule that such restrictions are not justified under the oakes test, the science is absolutely clear that discrimination on the basis of age would be.
i have no interest in strong leaders. but, if you want to talk about what leadership would look like, it would look something like that - it would be unpopular, and it might lead to a collapse in the government in the long run, but it's the only way to save their lives.
pretending you can stop the spread of it is just signing their death warrant, and destroying the lives of everybody else in the process.
what we are doing is the worst, and the dumbest, approach - it will not save anybody's life, and it will have catastrophic economic effects in the form of a wave of negative externalities.